Avs prepare for mighty Senators

'What are the odds of this? The Avalanche will play consecutive games against teams with young forwards whose fathers played for the old Colorado Rockies. Pyatt's father, Nelson, was a swift-skating center for the Rockies whose hands couldn't always keep up with his feet. (Think Shean Donovan.) The Avs will encounter him after facing the Blackhawks, who had Tyler Arnason, son of one-time Rockie Chuck Arnason.'